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1 #include "SkPMFloat.h" | 1 #include "SkPMFloat.h" |
2 #include "Test.h" | 2 #include "Test.h" |
3 | 3 |
4 DEF_TEST(SkPMFloat, r) { | 4 DEF_TEST(SkPMFloat, r) { |
5 // Test SkPMColor <-> SkPMFloat | 5 // Test SkPMColor <-> SkPMFloat |
6 SkPMColor c = SkPreMultiplyColor(0xFFCC9933); | 6 SkPMColor c = SkPreMultiplyColor(0xFFCC9933); |
7 | 7 |
8 SkPMFloat pmf; | 8 SkPMFloat pmf; |
9 pmf.set(c); | 9 pmf.set(c); |
10 REPORTER_ASSERT(r, SkScalarNearlyEqual(255.0f, pmf.a())); | 10 REPORTER_ASSERT(r, SkScalarNearlyEqual(255.0f, pmf.a())); |
11 REPORTER_ASSERT(r, SkScalarNearlyEqual(204.0f, pmf.r())); | 11 REPORTER_ASSERT(r, SkScalarNearlyEqual(204.0f, pmf.r())); |
12 REPORTER_ASSERT(r, SkScalarNearlyEqual(153.0f, pmf.g())); | 12 REPORTER_ASSERT(r, SkScalarNearlyEqual(153.0f, pmf.g())); |
13 REPORTER_ASSERT(r, SkScalarNearlyEqual( 51.0f, pmf.b())); | 13 REPORTER_ASSERT(r, SkScalarNearlyEqual( 51.0f, pmf.b())); |
| 14 REPORTER_ASSERT(r, c == pmf.get()); |
14 | 15 |
| 16 // Test rounding. (Don't bother testing .5... we don't care which way it go
es.) |
| 17 pmf.setA(254.6f); |
| 18 pmf.setR(204.3f); |
| 19 pmf.setG(153.1f); |
| 20 pmf.setB( 50.8f); |
15 REPORTER_ASSERT(r, c == pmf.get()); | 21 REPORTER_ASSERT(r, c == pmf.get()); |
16 | 22 |
17 // Test clamping. | 23 // Test clamping. |
18 SkPMFloat unclamped; | 24 SkPMFloat unclamped; |
19 unclamped.setA(+510.0f); | 25 unclamped.setA(+510.0f); |
20 unclamped.setR(+153.0f); | 26 unclamped.setR(+153.0f); |
21 unclamped.setG( +1.0f); | 27 unclamped.setG( +1.0f); |
22 unclamped.setB( -0.2f); | 28 unclamped.setB( -0.2f); |
23 | 29 |
24 SkPMFloat clamped; | 30 SkPMFloat clamped; |
25 clamped.set(unclamped.clamped()); | 31 clamped.set(unclamped.clamped()); |
26 | 32 |
27 REPORTER_ASSERT(r, SkScalarNearlyEqual(255.0f, clamped.a())); | 33 REPORTER_ASSERT(r, SkScalarNearlyEqual(255.0f, clamped.a())); |
28 REPORTER_ASSERT(r, SkScalarNearlyEqual(153.0f, clamped.r())); | 34 REPORTER_ASSERT(r, SkScalarNearlyEqual(153.0f, clamped.r())); |
29 REPORTER_ASSERT(r, SkScalarNearlyEqual( 1.0f, clamped.g())); | 35 REPORTER_ASSERT(r, SkScalarNearlyEqual( 1.0f, clamped.g())); |
30 REPORTER_ASSERT(r, SkScalarNearlyEqual( 0.0f, clamped.b())); | 36 REPORTER_ASSERT(r, SkScalarNearlyEqual( 0.0f, clamped.b())); |
31 | 37 |
32 // Test SkPMFloat <-> Sk4f conversion. | 38 // Test SkPMFloat <-> Sk4f conversion. |
33 Sk4f fs = clamped; | 39 Sk4f fs = clamped; |
34 SkPMFloat scaled = fs.multiply(0.25f); | 40 SkPMFloat scaled = fs.multiply(0.25f); |
35 | 41 |
36 REPORTER_ASSERT(r, SkScalarNearlyEqual(63.75f, scaled.a())); | 42 REPORTER_ASSERT(r, SkScalarNearlyEqual(63.75f, scaled.a())); |
37 REPORTER_ASSERT(r, SkScalarNearlyEqual(38.25f, scaled.r())); | 43 REPORTER_ASSERT(r, SkScalarNearlyEqual(38.25f, scaled.r())); |
38 REPORTER_ASSERT(r, SkScalarNearlyEqual( 0.25f, scaled.g())); | 44 REPORTER_ASSERT(r, SkScalarNearlyEqual( 0.25f, scaled.g())); |
39 REPORTER_ASSERT(r, SkScalarNearlyEqual( 0.00f, scaled.b())); | 45 REPORTER_ASSERT(r, SkScalarNearlyEqual( 0.00f, scaled.b())); |
40 } | 46 } |
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